I believe the best answers are: humans moved out of Africa, and h<span>umans learned how to control fire But i'm not sure since there are not any options available</span>
Historically, the Civil war was caused by the incompatibility between northern and southern wealth. The industrial revolution in the North caused machines to be built which relied on wage laborers and not slaves
Ima be honest i really don't know but Ive actually done some research on this problem and everything i read leads up to one answer which was monasticism
